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Many worlds in the solar system show extensive impact cratering, dating back billions of years. Which of the following worlds does NOT show such cratering?
Stage 1 Sleep
The initial phase of the sleep cycle, characterized by light sleep, where one can be easily awakened and may experience sudden muscle contractions.
Electroencephalograph (EEG)
A device used to record the electrical activity of the brain.
Stage 1 Sleep
The initial stage of sleep characterized by light sleep, where one can be easily awakened.
Theta Waves
A type of brain wave pattern associated with light sleep, deep relaxation, and meditation, typically in the frequency range of 4-8 Hz.
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